Concrete railway tie



C. A. PIERSON.'

CONCRETE RAILWAYA TlE'. APPLICATION min AuG.26, 1921.

Patented Feb. 7, 1922.

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' www C. A. PIERSON. CONCRETE RAILWAY ma.

APPLICATION FILED ^UG.26, 192|.

Patented Feb. 7, 1922.

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PATENT OFFIC.

CHARLES A. YIERSON, 0F SHARON, PENNSYLVANIA.

CONCRETE RAILWAY TIE.

Application led August 26, 1921.

To all w hom t may concern n Be it lnown that I, CHARLES A. PIERSON, acitizen of the United States, and resident of Sharon, in the county ofMercer and State of Pennsylvania, have invented certain new and usefulImprovements'in Concrete Railway Ties, of which the following is aspecification.

My present invention relates to improvements in concrete railway ties orsleepers and aims to provide a construction which will be strong anddurable, which will afford a cushion support for the rails, and whichwill embody easily operable means for firmly securing the rail to thetie.

I/V ith these and other objects in view the invention includes the novelfeatures of construction and arrangement of parts hereinafter describedand particularly defined by the appended claims.

An embodiment of my invention is illustrated in the accompanyingdrawing` in.

which- Figure l is a plan view of my improved tie showing a portion of arail seated on one end portion thereof.

Fig. 2 is a side elevation with the rail shown in section.

Fig. 3 is an enlarged sectional detail the section being taken on line 33 of Fig. 1.

Fig. 4 is a section on line 4 4 of Fig. 3.

Figs. 5, 6 and 7 are detail views of the rail anchoring device, theclamping member and the rail supporting plate respectively.

Referring by reference characters to this drawing the numeral ldesignates the tie as a whole which may be molded into proper shape bythe use of any suitable mold, and which is provided with a recessedportion l in its under side to afford better seating on the ballast.

It is also preferably provided with hand hold recesses as indicated atl".

The tie is preferably reinforced by means of a longitudinal T shaped bar2 and transverse rods or members 3 which are molded into the tie in itsmanufacture, as also are the rail anchoring devices 3 which are in theshape of vertical bars 4 having notches in their sides which are engagedby the reinforce members 3 and having cross rods 4l at their upper endswhich are engaged by the rail fastening devices hereinafter described.

These bars 4 are preferably formed in connected pairs as shown in Fig. 5being rigidly united at their upper ends by the integral Specificationof Letters Patent.

Patented Feb. 7, 1922.

Serial No. 495,486.

cross plate 4c which serves as a bearing for the rail clamp as willhereinafter appear.

In order to provide resilient supports for the rail I provide rubbercushioning blocks, preferably two for each rail, as indicated at 5,which are seated in recesses in the upper surface of the tie and uponeach pair of rubber blocks I provide a rail supporting plate of harderbut still somewhat resilient material such as wood, as indicated at 6and shown in detail in Fig. 7, upon which the base of the rail 7 isseated.

, The flanges of the rail are engaged by clamping member 8 shown indetail in Fig. 6. Each of these is preferably of substantially channelshape formation having rounded lug portions 8a designed to fulcrum onthe bearing portions 4c above referred to and having inclined contactportions 8b designed to rest upon the upper surfaces of the base of therail as clearly shown in Fig. 3.

Preferably also the clamping members are provided with transverse webportions 8 which abut against the edges of the rail base and prevent anylateral shift thereof.

Each clamping member is provided with a vertical opening through whichpasses the shank of a hook 9 which hook engages the cross rod 4b of theanchor device. The Shanks of the hooks are threaded to receive nuts 9awhich may be locked in position by any approved means such as lockwashers.

If desired additional T or other shaped reinforcement members may beprovided in the end portions of the ties beneath the rails.

Having thus described my invention what I claim is:

l. A concrete railway tie having a rubber block embedded in the uppersurface thereof, a wooden wear plate superposed on said rubber block,and forming a seat for the rail, and means for securing the rail inplace.

2. A concrete railway tie having a pair of longitudinally disposedrubber blocks seated in the upper face of the rail near each end, a wearplatebridging each pair of blocks and a pair of rail fastening deviceslocated in proximity to each rubber block.

3. A concrete tie having an anchoring device embedded therein providedWith a cross rod at its upper end, a clamping block for engaging thebase of the rail, and a hook engaging said cross bar and having a shankpassing through an opening in the block and provided with a clampingnut.

4. A concrete tie having an anchoring deviceembedded therein, and a railclamping device of substantially channel shape having a pair of Webs atone end With inclinedl faces adapted to co-operate with the rail baseand a rounded fulcrum portion at the other end and with means locatedintermediate said ends for securng'the clamping device to said anchoringdevice.

5. A railroad tie comprising a concrete body,'vertically disposedanchoring bars embedded therein having notched edges, transverse rodsembedded in the concrete and engaging said notched edges, and means forsecuring the rail to said tie.

6. A concrete tie having a longitudinally 15 thereof having notchededges, and transverse rods embedded in the concreteaiid engaging saidnotched edges. 4 In testimony whereof I aix my signature.

CHARLES A. PIERSON.

